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South Wyacondah Ditch Bridge

Photo 

South Wyacondah Ditch Bridge on Timber Avenue

Photo taken by Chris Gonnerman in April 2012

License: Creative Commons Attribution-Share-Alike (CC BY-SA)

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BH Photo #229155

Map 

Facts 

Overview
Through truss bridge over South Wyacondah Ditch on Timber Avenue
Location
Davis County, Iowa
Status
Intact but closed to all traffic
History
Built at an unknown date. Possible work or event occured, ca. 1950
Design
7 panel pin-connected Pratt through truss with M-frame portal bracing
Dimensions
Span length: 126.0 ft.
Total length: 126.0 ft.
Deck width: 16.1 ft.
Vertical clearance above deck: 17.7 ft.
Approximate latitude, longitude
+40.59936, -92.26982   (decimal degrees)
40°35'58" N, 92°16'11" W   (degrees°minutes'seconds")
Approximate UTM coordinates
15/561779/4494539 (zone/easting/northing)
Quadrangle map:
Kilwinning
Land survey
T. 67 N., R. 12 W., Sec. 17
Inventory numbers
IA 132890 (Iowa bridge number)
BH 13330 (Bridgehunter.com ID)
Inspection (as of 06/2010)
Deck condition rating: Poor (4 out of 9)
Superstructure condition rating: Serious (3 out of 9)
Substructure condition rating: Fair (5 out of 9)
Appraisal: Structurally deficient
Sufficiency rating: 21.3 (out of 100)
Average daily traffic (as of 2010)
35

Update Log 

  • April 5, 2016: Updated by Nathan Holth: 1950 is a joke, reworded to mention unknown build date, with possible 1950 event.
  • March 31, 2015: Updated by Dave King: Added categories "A-frame portal", "Lattice Railing"
  • April 6, 2012: Updated by Luke Harden: Added categories "7-panel truss", "Pin-connected"
  • April 6, 2012: Updated by Chris Gonnerman: Updated bridge truss description (7 panel, pin-connected)
  • January 23, 2012: Updated by Jason Smith: This bridge is a Pratt through truss

Sources 

Comments 

South Wyacondah Ditch Bridge
Posted April 7, 2012, by Clark Vance (cvance [at] dogmail [dot] com)

Perhaps the 1950 is a relocation date.

South Wyacondah Ditch Bridge
Posted April 6, 2012, by Chris Gonnerman (chris [at] gonnerman [dot] org)

I question the construction date on this bridge. Pin-connected Pratt truss bridges in this area generally have construction dates closer to 1900, give or take a decade, and this bridge appears to be as old as any of them.